Home / 81,329,786.85-112,233,956.70-46,046,681.52

Finding the Fourth Proportional to 81,329,786.85, 112,233,956.70 and 46,046,681.52

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Solution

The fourth proportional to 81,329,786.85, 112,233,956.70 and 46,046,681.52 is: 63,543,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,329,786.85 : 112,233,956.70 = 46,046,681.52 : x
  2. Step 2: Convert to fraction form
    81,329,786.85/112,233,956.70 = 46,046,681.52/x
  3. Step 3: Cross multiply
    81,329,786.85x = 112,233,956.70 × 46,046,681.52
  4. Step 4: Simplify right side
    81,329,786.85x = 5,168,001,259,894,371
  5. Step 5: Solve for x
    x = 5,168,001,259,894,371/81,329,786.85
  6. Step 6: Final answer
    x = 63,543,769.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.